A3981KLPTR-T Allegro Microsystems Inc, A3981KLPTR-T Datasheet - Page 41

• Manufacturer Part Number: A3981KLPTR-T
• Description: AUTOMOTIVE PROGRAMMABLE STEPPER DRVR
• Manufacturer: Allegro Microsystems Inc

Specifications of A3981KLPTR-T

• Applications: Stepper Motor Driver, 2 Phase
• Number Of Outputs: 1
• Voltage - Load: 7 V ~ 28 V
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP (0.173", 4.40mm Width) Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

A3981
I
I
B
A
99%
96%
96%
99%
99%
96%
96%
99%
Figure A11. Phase current sequence for sixteenth step
100%
100%
100%
100%
98%
92%
88%
83%
77%
70%
63%
56%
47%
38%
29%
19%
10%
10%
19%
29%
38%
47%
56%
63%
70%
77%
83%
88%
92%
98%
98%
92%
88%
83%
77%
70%
63%
56%
47%
38%
29%
19%
10%
10%
19%
29%
38%
47%
56%
63%
70%
77%
83%
88%
92%
98%
Automotive, Programmable Stepper Driver
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
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